| // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // min-lldb-version: 310 |
| |
| // compile-flags:-g |
| |
| #![allow(dead_code, unused_variables)] |
| #![feature(omit_gdb_pretty_printer_section)] |
| #![omit_gdb_pretty_printer_section] |
| |
| // This test makes sure that the compiler doesn't crash when trying to assign |
| // debug locations to 'constant' patterns in match expressions. |
| |
| const CONSTANT: u64 = 3; |
| |
| struct Struct { |
| a: isize, |
| b: usize, |
| } |
| const STRUCT: Struct = Struct { a: 1, b: 2 }; |
| |
| struct TupleStruct(u32); |
| const TUPLE_STRUCT: TupleStruct = TupleStruct(4); |
| |
| enum Enum { |
| Variant1(char), |
| Variant2 { a: u8 }, |
| Variant3 |
| } |
| const VARIANT1: Enum = Enum::Variant1('v'); |
| const VARIANT2: Enum = Enum::Variant2 { a: 2 }; |
| const VARIANT3: Enum = Enum::Variant3; |
| |
| const STRING: &'static str = "String"; |
| |
| fn main() { |
| |
| match 1 { |
| CONSTANT => {} |
| _ => {} |
| }; |
| |
| // if let 3 = CONSTANT {} |
| |
| match (Struct { a: 2, b: 2 }) { |
| STRUCT => {} |
| _ => {} |
| }; |
| |
| // if let STRUCT = STRUCT {} |
| |
| match TupleStruct(3) { |
| TUPLE_STRUCT => {} |
| _ => {} |
| }; |
| |
| // if let TupleStruct(4) = TUPLE_STRUCT {} |
| |
| match VARIANT3 { |
| VARIANT1 => {}, |
| VARIANT2 => {}, |
| VARIANT3 => {}, |
| _ => {} |
| }; |
| |
| match (VARIANT3, VARIANT2) { |
| (VARIANT1, VARIANT3) => {}, |
| (VARIANT2, VARIANT2) => {}, |
| (VARIANT3, VARIANT1) => {}, |
| _ => {} |
| }; |
| |
| // if let VARIANT1 = Enum::Variant3 {} |
| // if let VARIANT2 = Enum::Variant3 {} |
| // if let VARIANT3 = Enum::Variant3 {} |
| |
| match "abc" { |
| STRING => {}, |
| _ => {} |
| } |
| |
| if let STRING = "def" {} |
| } |